mirror of
https://github.com/matrix-construct/construct
synced 2024-11-25 16:22:35 +01:00
ircd::rfc1459: Move grammars out of includes.
This commit is contained in:
Jason Volk
parent
bcebeb420d
commit
13aff1d7a8
4 changed files with 321 additions and 386 deletions
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@ -1,157 +0,0 @@
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/**
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* Copyright (C) 2016 Charybdis Development Team
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* Copyright (C) 2016 Jason Volk <jason@zemos.net>
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
|
||||
* copyright notice and this permission notice is present in all copies.
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||||
*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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||||
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
|
||||
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#define HAVE_IRCD_RFC1459_GEN_H
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#include <boost/spirit/include/karma.hpp>
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#include "rfc1459_parse.h"
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namespace ircd {
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namespace rfc1459 {
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namespace gen {
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namespace karma = boost::spirit::karma;
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using karma::lit;
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using karma::int_;
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using karma::char_;
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using karma::buffer;
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using karma::repeat;
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template<class it,
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class top>
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struct grammar
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:karma::grammar<it, top>
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{
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std::string trail_save;
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karma::rule<it> space;
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karma::rule<it> colon;
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karma::rule<it> terminator;
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karma::rule<it, rfc1459::host> hostname;
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karma::rule<it, rfc1459::user> user;
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karma::rule<it, rfc1459::nick> nick;
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karma::rule<it, rfc1459::pfx> prefix;
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karma::rule<it, rfc1459::pfx> prefix_optionals;
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karma::rule<it, string_view> trailing;
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karma::rule<it, string_view> middle;
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karma::rule<it, rfc1459::parv> params;
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karma::rule<it, rfc1459::cmd> command_numeric;
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karma::rule<it, rfc1459::cmd> command_alpha;
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karma::rule<it, rfc1459::cmd> command;
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karma::rule<it, rfc1459::line> line;
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grammar(karma::rule<it, top> &top_rule);
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};
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template<class it,
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class top>
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rfc1459::gen::grammar<it, top>::grammar(karma::rule<it, top> &top_rule)
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:grammar<it, top>::base_type
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{
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top_rule
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}
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,space // A single space character
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{
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lit(' ')
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,"space"
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}
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,colon // A single colon character
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{
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lit(':')
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,"colon"
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}
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,terminator // The message terminator
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{
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lit('\r') << lit('\n')
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,"terminator"
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}
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,hostname // A valid hostname
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{
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+char_(charset(character::HOST)) // TODO: https://tools.ietf.org/html/rfc952
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,"hostname"
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}
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,user // A valid username
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{
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+char_(charset(character::USER))
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,"user"
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}
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,nick // A valid nickname, leading letter followed by any NICK chars
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{
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buffer[char_(charset(character::ALPHA)) << *char_(charset(character::NICK))]
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,"nick"
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}
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,prefix
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{
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colon << nick << lit('!') << user << lit('@') << hostname
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,"prefix"
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}
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,prefix_optionals
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{
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colon << (nick | lit('*'))
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<< lit('!') << (user | lit('*'))
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<< lit('@') << (hostname | lit('*'))
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,"prefix_optionals"
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}
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,trailing
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{
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colon << +(~char_("\r\n"))
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,"trailing"
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}
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,middle // Spaced parameters
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{
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~char_(":\x20\r\n") << *(~char_("\x20\r\n"))
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,"middle"
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}
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,params //TODO: this doesn't work yet, don't use
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{
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*(middle % space) << buffer[-trailing]
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,"params"
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}
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,command_numeric // \d\d\d numeric
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{
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repeat(3)[char_(charset(character::DIGIT))]
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,"command_numeric"
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}
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,command_alpha
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{
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+char_(charset(character::ALPHA))
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,"command_alpha"
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}
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,command
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{
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command_alpha | command_numeric
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,"command"
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}
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,line
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{
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prefix << command << space << params << terminator
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,"line"
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}
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{
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}
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} // namespace gen
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} // namespace rfc1459
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} // namespace ircd
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@ -1,222 +0,0 @@
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/**
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* Copyright (C) 2016 Charybdis Development Team
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* Copyright (C) 2016 Jason Volk <jason@zemos.net>
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*
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* Permission to use, copy, modify, and/or distribute this software for any
|
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* purpose with or without fee is hereby granted, provided that the above
|
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* copyright notice and this permission notice is present in all copies.
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||||
*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
|
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
|
||||
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
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* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
|
||||
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
|
||||
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#define HAVE_IRCD_RFC1459_PARSE_H
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#include <boost/spirit/include/qi.hpp>
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BOOST_FUSION_ADAPT_STRUCT
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(
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ircd::rfc1459::pfx
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,( decltype(ircd::rfc1459::pfx::nick), nick )
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,( decltype(ircd::rfc1459::pfx::user), user )
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,( decltype(ircd::rfc1459::pfx::host), host )
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)
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BOOST_FUSION_ADAPT_STRUCT
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(
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ircd::rfc1459::line
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,( decltype(ircd::rfc1459::line::pfx), pfx )
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,( decltype(ircd::rfc1459::line::cmd), cmd )
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,( decltype(ircd::rfc1459::line::parv), parv )
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)
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namespace ircd {
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namespace rfc1459 {
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namespace parse {
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namespace qi = boost::spirit::qi;
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using qi::lit;
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using qi::char_;
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using qi::repeat;
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using qi::attr;
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using qi::eps;
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using qi::raw;
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using qi::omit;
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/* The grammar template class.
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* This aggregates all the rules under one template to make composing them easier.
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*
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* The grammar template is instantiated by individual parsers depending on the goal
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* for the specific parse, or the "top level." The first top-level was an IRC line, so
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* a class was created `struct head` specifying grammar::line as the top rule, and
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* rfc1459::line as the top output target to parse into.
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*/
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template<class it,
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class top>
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struct grammar
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:qi::grammar<it, top>
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{
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qi::rule<it> space;
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qi::rule<it> colon;
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qi::rule<it> nulcrlf;
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qi::rule<it> spnulcrlf;
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qi::rule<it> terminator;
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qi::rule<it, rfc1459::host> hostname;
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qi::rule<it, rfc1459::host> server;
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qi::rule<it, rfc1459::user> user;
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qi::rule<it, rfc1459::nick> nick;
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qi::rule<it, rfc1459::pfx> prefix;
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qi::rule<it, string_view> trailing;
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qi::rule<it, string_view> middle;
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qi::rule<it, rfc1459::parv> params;
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qi::rule<it, string_view> numeric;
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qi::rule<it, rfc1459::cmd> command;
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qi::rule<it, rfc1459::line> line;
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qi::rule<it, std::deque<rfc1459::line>> tape;
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grammar(qi::rule<it, top> &top_rule);
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};
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template<class it,
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class top>
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grammar<it, top>::grammar(qi::rule<it, top> &top_rule)
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:grammar<it, top>::base_type
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{
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top_rule
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}
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,space // A single space character
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{
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/* TODO: RFC says:
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* 1) <SPACE> is consists only of SPACE character(s) (0x20).
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* Specially notice that TABULATION, and all other control
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* characters are considered NON-WHITE-SPACE.
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* But our table in this namespace has control characters labeled as SPACE.
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* This needs to be fixed.
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*/
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//char_(charset(character::SPACE))
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lit(' ')
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,"space"
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}
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,colon // A single colon character
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{
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lit(':')
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,"colon"
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}
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,nulcrlf // Match on NUL or CR or LF
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{
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lit('\0') | lit('\r') | lit('\n')
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,"nulcrlf"
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}
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,spnulcrlf // Match on space or nulcrlf
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{
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space | nulcrlf
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,"spnulcrlf"
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}
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,terminator // The message terminator
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{
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lit('\r') >> lit('\n')
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,"terminator"
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}
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,hostname // A valid hostname
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{
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raw[+char_(charset(character::HOST))] // TODO: https://tools.ietf.org/html/rfc952
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,"hostname"
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}
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,server // A valid servername
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{
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hostname
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,"server"
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}
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,user // A valid username
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{
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raw[+char_(charset(character::USER))]
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,"user"
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}
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,nick // A valid nickname, leading letter followed by any NICK chars
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{
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raw[char_(charset(character::ALPHA)) >> *char_(charset(character::NICK))]
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,"nick"
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}
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,prefix // A valid prefix, required name, optional user and host (or empty placeholders)
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{
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colon >> (nick | server) >> -(lit('!') >> user) >> -(lit('@') >> hostname)
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,"prefix"
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}
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,trailing // Trailing string pinch
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{
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colon >> raw[+(char_ - nulcrlf)]
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,"trailing"
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}
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,middle // Spaced parameters
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{
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!colon >> raw[+(char_ - spnulcrlf)]
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,"middle"
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}
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,params // Parameter vector
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{
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*(+space >> middle) >> -(+space >> trailing)
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,"params"
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}
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,numeric // \d\d\d numeric
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{
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repeat(3)[char_(charset(character::DIGIT))]
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,"numeric"
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}
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,command // A command or numeric
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{
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raw[+char_(charset(character::ALPHA)) | numeric]
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,"command"
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}
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,line
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{
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-(prefix >> +space) >> command >> params
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,"line"
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}
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,tape
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{
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+(-line >> +terminator)
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,"tape"
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}
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{
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}
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// Instantiate the input grammar to parse a const char* buffer into an rfc1459::line object.
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// The top rule is inherited and then specified as grammar::line, which is compatible
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// with an rfc1459::line object.
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//
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struct head
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:parse::grammar<const char *, rfc1459::line>
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{
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head(): grammar{grammar::line} {}
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}
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extern const head;
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// Instantiate the input grammar to parse a const char* buffer into an rfc1459::tape object.
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// The top rule is now grammar::tape and the target object is an rfc1459::tape deque.
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//
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struct capstan
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:parse::grammar<const char *, std::deque<rfc1459::line>>
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{
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capstan(): grammar{grammar::tape} {}
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}
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extern const capstan;
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} // namespace parse
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} // namespace rfc1459
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} // namespace ircd
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@ -19,9 +19,7 @@
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <ircd/rfc1459_parse.h>
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#include <ircd/rfc1459_gen.h>
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#include <ircd/fmt.h>
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#include <ircd/spirit.h>
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BOOST_FUSION_ADAPT_STRUCT
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(
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|
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324
ircd/rfc1459.cc
324
ircd/rfc1459.cc
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@ -21,23 +21,339 @@
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <ircd/rfc1459_parse.h>
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#include <ircd/rfc1459_gen.h>
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#include <ircd/spirit.h>
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namespace qi = boost::spirit::qi;
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namespace karma = boost::spirit::karma;
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BOOST_FUSION_ADAPT_STRUCT
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(
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ircd::rfc1459::pfx
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,( decltype(ircd::rfc1459::pfx::nick), nick )
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,( decltype(ircd::rfc1459::pfx::user), user )
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,( decltype(ircd::rfc1459::pfx::host), host )
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)
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BOOST_FUSION_ADAPT_STRUCT
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(
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ircd::rfc1459::line
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,( decltype(ircd::rfc1459::line::pfx), pfx )
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,( decltype(ircd::rfc1459::line::cmd), cmd )
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,( decltype(ircd::rfc1459::line::parv), parv )
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)
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namespace ircd {
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namespace rfc1459 {
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namespace parse {
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decltype(head) head;
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decltype(capstan) capstan;
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namespace qi = boost::spirit::qi;
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using qi::lit;
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using qi::char_;
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using qi::repeat;
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using qi::attr;
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using qi::eps;
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using qi::raw;
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using qi::omit;
|
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|
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/* The grammar template class.
|
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* This aggregates all the rules under one template to make composing them easier.
|
||||
*
|
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* The grammar template is instantiated by individual parsers depending on the goal
|
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* for the specific parse, or the "top level." The first top-level was an IRC line, so
|
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* a class was created `struct head` specifying grammar::line as the top rule, and
|
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* rfc1459::line as the top output target to parse into.
|
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*/
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template<class it,
|
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class top>
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struct grammar
|
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:qi::grammar<it, top>
|
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{
|
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qi::rule<it> space;
|
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qi::rule<it> colon;
|
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qi::rule<it> nulcrlf;
|
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qi::rule<it> spnulcrlf;
|
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qi::rule<it> terminator;
|
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|
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qi::rule<it, rfc1459::host> hostname;
|
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qi::rule<it, rfc1459::host> server;
|
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qi::rule<it, rfc1459::user> user;
|
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qi::rule<it, rfc1459::nick> nick;
|
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qi::rule<it, rfc1459::pfx> prefix;
|
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|
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qi::rule<it, string_view> trailing;
|
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qi::rule<it, string_view> middle;
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qi::rule<it, rfc1459::parv> params;
|
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|
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qi::rule<it, string_view> numeric;
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qi::rule<it, rfc1459::cmd> command;
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qi::rule<it, rfc1459::line> line;
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qi::rule<it, std::deque<rfc1459::line>> tape;
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grammar(qi::rule<it, top> &top_rule);
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};
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template<class it,
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class top>
|
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grammar<it, top>::grammar(qi::rule<it, top> &top_rule)
|
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:grammar<it, top>::base_type
|
||||
{
|
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top_rule
|
||||
}
|
||||
,space // A single space character
|
||||
{
|
||||
/* TODO: RFC says:
|
||||
* 1) <SPACE> is consists only of SPACE character(s) (0x20).
|
||||
* Specially notice that TABULATION, and all other control
|
||||
* characters are considered NON-WHITE-SPACE.
|
||||
* But our table in this namespace has control characters labeled as SPACE.
|
||||
* This needs to be fixed.
|
||||
*/
|
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//char_(charset(character::SPACE))
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lit(' ')
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,"space"
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||||
}
|
||||
,colon // A single colon character
|
||||
{
|
||||
lit(':')
|
||||
,"colon"
|
||||
}
|
||||
,nulcrlf // Match on NUL or CR or LF
|
||||
{
|
||||
lit('\0') | lit('\r') | lit('\n')
|
||||
,"nulcrlf"
|
||||
}
|
||||
,spnulcrlf // Match on space or nulcrlf
|
||||
{
|
||||
space | nulcrlf
|
||||
,"spnulcrlf"
|
||||
}
|
||||
,terminator // The message terminator
|
||||
{
|
||||
lit('\r') >> lit('\n')
|
||||
,"terminator"
|
||||
}
|
||||
,hostname // A valid hostname
|
||||
{
|
||||
raw[+char_(charset(character::HOST))] // TODO: https://tools.ietf.org/html/rfc952
|
||||
,"hostname"
|
||||
}
|
||||
,server // A valid servername
|
||||
{
|
||||
hostname
|
||||
,"server"
|
||||
}
|
||||
,user // A valid username
|
||||
{
|
||||
raw[+char_(charset(character::USER))]
|
||||
,"user"
|
||||
}
|
||||
,nick // A valid nickname, leading letter followed by any NICK chars
|
||||
{
|
||||
raw[char_(charset(character::ALPHA)) >> *char_(charset(character::NICK))]
|
||||
,"nick"
|
||||
}
|
||||
,prefix // A valid prefix, required name, optional user and host (or empty placeholders)
|
||||
{
|
||||
colon >> (nick | server) >> -(lit('!') >> user) >> -(lit('@') >> hostname)
|
||||
,"prefix"
|
||||
}
|
||||
,trailing // Trailing string pinch
|
||||
{
|
||||
colon >> raw[+(char_ - nulcrlf)]
|
||||
,"trailing"
|
||||
}
|
||||
,middle // Spaced parameters
|
||||
{
|
||||
!colon >> raw[+(char_ - spnulcrlf)]
|
||||
,"middle"
|
||||
}
|
||||
,params // Parameter vector
|
||||
{
|
||||
*(+space >> middle) >> -(+space >> trailing)
|
||||
,"params"
|
||||
}
|
||||
,numeric // \d\d\d numeric
|
||||
{
|
||||
repeat(3)[char_(charset(character::DIGIT))]
|
||||
,"numeric"
|
||||
}
|
||||
,command // A command or numeric
|
||||
{
|
||||
raw[+char_(charset(character::ALPHA)) | numeric]
|
||||
,"command"
|
||||
}
|
||||
,line
|
||||
{
|
||||
-(prefix >> +space) >> command >> params
|
||||
,"line"
|
||||
}
|
||||
,tape
|
||||
{
|
||||
+(-line >> +terminator)
|
||||
,"tape"
|
||||
}
|
||||
{
|
||||
}
|
||||
|
||||
// Instantiate the input grammar to parse a const char* buffer into an rfc1459::line object.
|
||||
// The top rule is inherited and then specified as grammar::line, which is compatible
|
||||
// with an rfc1459::line object.
|
||||
//
|
||||
struct head
|
||||
:parse::grammar<const char *, rfc1459::line>
|
||||
{
|
||||
head(): grammar{grammar::line} {}
|
||||
}
|
||||
const head;
|
||||
|
||||
// Instantiate the input grammar to parse a const char* buffer into an rfc1459::tape object.
|
||||
// The top rule is now grammar::tape and the target object is an rfc1459::tape deque.
|
||||
//
|
||||
struct capstan
|
||||
:parse::grammar<const char *, std::deque<rfc1459::line>>
|
||||
{
|
||||
capstan(): grammar{grammar::tape} {}
|
||||
}
|
||||
const capstan;
|
||||
|
||||
} // namespace parse
|
||||
} // namespace rfc1459
|
||||
} // namespace ircd
|
||||
|
||||
namespace ircd {
|
||||
namespace rfc1459 {
|
||||
namespace gen {
|
||||
|
||||
namespace karma = boost::spirit::karma;
|
||||
using karma::lit;
|
||||
using karma::int_;
|
||||
using karma::char_;
|
||||
using karma::buffer;
|
||||
using karma::repeat;
|
||||
|
||||
template<class it,
|
||||
class top>
|
||||
struct grammar
|
||||
:karma::grammar<it, top>
|
||||
{
|
||||
std::string trail_save;
|
||||
|
||||
karma::rule<it> space;
|
||||
karma::rule<it> colon;
|
||||
karma::rule<it> terminator;
|
||||
|
||||
karma::rule<it, rfc1459::host> hostname;
|
||||
karma::rule<it, rfc1459::user> user;
|
||||
karma::rule<it, rfc1459::nick> nick;
|
||||
karma::rule<it, rfc1459::pfx> prefix;
|
||||
karma::rule<it, rfc1459::pfx> prefix_optionals;
|
||||
|
||||
karma::rule<it, string_view> trailing;
|
||||
karma::rule<it, string_view> middle;
|
||||
karma::rule<it, rfc1459::parv> params;
|
||||
|
||||
karma::rule<it, rfc1459::cmd> command_numeric;
|
||||
karma::rule<it, rfc1459::cmd> command_alpha;
|
||||
karma::rule<it, rfc1459::cmd> command;
|
||||
karma::rule<it, rfc1459::line> line;
|
||||
|
||||
grammar(karma::rule<it, top> &top_rule);
|
||||
};
|
||||
|
||||
template<class it,
|
||||
class top>
|
||||
rfc1459::gen::grammar<it, top>::grammar(karma::rule<it, top> &top_rule)
|
||||
:grammar<it, top>::base_type
|
||||
{
|
||||
top_rule
|
||||
}
|
||||
,space // A single space character
|
||||
{
|
||||
lit(' ')
|
||||
,"space"
|
||||
}
|
||||
,colon // A single colon character
|
||||
{
|
||||
lit(':')
|
||||
,"colon"
|
||||
}
|
||||
,terminator // The message terminator
|
||||
{
|
||||
lit('\r') << lit('\n')
|
||||
,"terminator"
|
||||
}
|
||||
,hostname // A valid hostname
|
||||
{
|
||||
+char_(charset(character::HOST)) // TODO: https://tools.ietf.org/html/rfc952
|
||||
,"hostname"
|
||||
}
|
||||
,user // A valid username
|
||||
{
|
||||
+char_(charset(character::USER))
|
||||
,"user"
|
||||
}
|
||||
,nick // A valid nickname, leading letter followed by any NICK chars
|
||||
{
|
||||
buffer[char_(charset(character::ALPHA)) << *char_(charset(character::NICK))]
|
||||
,"nick"
|
||||
}
|
||||
,prefix
|
||||
{
|
||||
colon << nick << lit('!') << user << lit('@') << hostname
|
||||
,"prefix"
|
||||
}
|
||||
,prefix_optionals
|
||||
{
|
||||
colon << (nick | lit('*'))
|
||||
<< lit('!') << (user | lit('*'))
|
||||
<< lit('@') << (hostname | lit('*'))
|
||||
,"prefix_optionals"
|
||||
}
|
||||
,trailing
|
||||
{
|
||||
colon << +(~char_("\r\n"))
|
||||
,"trailing"
|
||||
}
|
||||
,middle // Spaced parameters
|
||||
{
|
||||
~char_(":\x20\r\n") << *(~char_("\x20\r\n"))
|
||||
,"middle"
|
||||
}
|
||||
,params //TODO: this doesn't work yet, don't use
|
||||
{
|
||||
*(middle % space) << buffer[-trailing]
|
||||
,"params"
|
||||
}
|
||||
,command_numeric // \d\d\d numeric
|
||||
{
|
||||
repeat(3)[char_(charset(character::DIGIT))]
|
||||
,"command_numeric"
|
||||
}
|
||||
,command_alpha
|
||||
{
|
||||
+char_(charset(character::ALPHA))
|
||||
,"command_alpha"
|
||||
}
|
||||
,command
|
||||
{
|
||||
command_alpha | command_numeric
|
||||
,"command"
|
||||
}
|
||||
,line
|
||||
{
|
||||
prefix << command << space << params << terminator
|
||||
,"line"
|
||||
}
|
||||
{
|
||||
}
|
||||
|
||||
} // namespace gen
|
||||
} // namespace rfc1459
|
||||
} // namespace ircd
|
||||
|
||||
using namespace ircd;
|
||||
|
||||
//NOTE: unterminated
|
||||
|
|
|
|||
Loading…
Reference in a new issue